用于选择性检测氟离子的新型含氟聚二氮杂萘酮醚噁二唑合成(英文)

Synthesis of novel phthalazinone-based and high-fluorinated poly(arylene ether-1,3,4-oxadiazole)s for selective detection of fluoride

目的合成一系列含有二氮杂萘酮的新型氟化聚芳醚噁二唑:选择性检测F。方法从分子设计的角度出发,经N-C偶联反应研究最佳合成途径。结果制备了一系列含有二氮杂萘酮类双酚单体的新型氟化聚芳醚噁二唑聚合物。该系列氟化聚芳醚在常见的有机溶剂中具有良好的溶解性,玻璃化转变温度(Tg)在249～285℃之间,表现出良好的热性能。通过研究聚合物的荧光性质,该类聚合物选择性的对F-有吸收,而对Cl-和NO3-没有吸收。结论该系列聚合物适用于功能高分子材料检测F-。

Aim To synthesize a series containing phthalazinone new fluorinated poly（phthalazinone ether-1,3,4-oxadiazole）： selective detection of fluoride ion. Methods The poly（arylene ether）s were designed, the optimal methods of synthesis were studied by the N-C coupling reaction. Results A class of highly fluorinated poly（phthalazinone ether-1,3,4-oxadiazole）s were prepared from several phthalazinone containing-monomers 2a-2e. The obtained polymers 3a-3e exhibited good solubility in common organic solvents, high glass transition temperatures in the range of 249～285 ℃ and excellent thermal stability. Moreover, The prepared poly（phthalazinone ether-1,3,4-oxadiazole）s were found to be capable of selectively binding fluoride ion with high affinity, and displayed new peaks in fluorescence spectra, producing no response to the other tested anions including Cl-, NO-3.Conclusion The feature made them potential candidates for fluoride detection.